InChI=1/C20H21N5O2/c1-13(21-11-15-5-4-6-19-20(15)24-27-23-19)18-12-22-25(14(18)2)16-7-9-17(26-3)10-8-16/h4-10,12-13,21H,11H2,1-3H3/t13-/m0/s1 9A38559C04E23010